Physics, 24.03.2020 20:40 walkerobrien5
A steel railroad track has a length of 33 m when the temperature is −2 ◦C. What is the increase in the length of the rail on a hot day when the temperature is 39 ◦C? The linear expansion coefficient of steel is 11 × 10−6 ( ◦C)−1 . Answer in units of m.
Answers: 2
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The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping
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A steel railroad track has a length of 33 m when the temperature is −2 ◦C. What is the increase in t...
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